*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0a0a14;
  --surface:   #12122a;
  --surface2:  #1a1a38;
  --accent:    #7c3aed;
  --accent2:   #3b82f6;
  --text:      #e2e8f0;
  --muted:     #94a3b8;
  --glow:      rgba(124,58,237,.35);
  --radius:    16px;
  --trans:     .3s ease;
}

body { background: var(--bg); color: var(--text); font-family: 'Segoe UI', sans-serif; min-height: 100vh; }

/* ── Header ── */
.header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 2rem; background: rgba(18,18,42,.8);
  backdrop-filter: blur(12px); border-bottom: 1px solid rgba(124,58,237,.2);
  position: sticky; top: 0; z-index: 100;
}
.logo { font-size: 1.4rem; font-weight: 700; letter-spacing: 1px; }
.logo span { background: linear-gradient(135deg,#7c3aed,#3b82f6); -webkit-background-clip: text;
background-clip: text;
-webkit-text-fill-color: transparent; }
.nav-btn {
  background: transparent; border: 1px solid rgba(124,58,237,.4); color: var(--muted);
  padding: .5rem 1.2rem; border-radius: 50px; cursor: pointer; margin-left: .5rem;
  transition: var(--trans);
}
.nav-btn.active, .nav-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ── Sections ── */
.section { max-width: 860px; margin: 0 auto; padding: 2.5rem 1.5rem; }
.section.hidden { display: none; }
.section.active { display: block; }

/* ── Hero ── */
.hero { text-align: center; margin-bottom: 2rem; }
.hero h1 { font-size: clamp(1.8rem,4vw,2.8rem); font-weight: 800; line-height: 1.2; }
.gradient-text { background: linear-gradient(135deg,#a78bfa,#60a5fa); -webkit-background-clip: text;
background-clip: text;
-webkit-text-fill-color: transparent; }
.hero p { color: var(--muted); margin-top: .6rem; font-size: 1.05rem; }

/* ── Cards ── */
.card {
  background: var(--surface); border: 1px solid rgba(124,58,237,.2);
  border-radius: var(--radius); padding: 1.5rem; margin-bottom: 1.5rem;
  box-shadow: 0 4px 30px rgba(0,0,0,.4); transition: var(--trans);
}
.card:hover { border-color: rgba(124,58,237,.5); box-shadow: 0 6px 40px var(--glow); }

/* ── Input ── */
textarea {
  width: 100%; background: var(--surface2); border: 1px solid rgba(124,58,237,.3);
  border-radius: 12px; color: var(--text); font-size: 1rem; padding: 1rem;
  resize: none; outline: none; transition: var(--trans);
}
textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--glow); }
.input-meta { display: flex; align-items: center; justify-content: space-between; margin-top: .75rem; }
#char-count { font-size: .8rem; color: var(--muted); }
.btn-group { display: flex; gap: .5rem; }
#analyze-btn {
  background: linear-gradient(135deg,#7c3aed,#3b82f6); border: none; color: #fff;
  padding: .6rem 1.5rem; border-radius: 50px; cursor: pointer; font-size: .95rem;
  font-weight: 600; transition: var(--trans);
}
#analyze-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 20px var(--glow); }
#voice-btn, #clear-btn {
  background: var(--surface2); border: 1px solid rgba(124,58,237,.3); color: var(--text);
  padding: .5rem .85rem; border-radius: 50px; cursor: pointer; font-size: 1rem; transition: var(--trans);
}
#voice-btn:hover, #clear-btn:hover { border-color: var(--accent); }

/* ── Loading ── */
.loading { text-align: center; padding: 2rem; }
.loading.hidden { display: none; }
.spinner {
  width: 48px; height: 48px; border: 4px solid rgba(124,58,237,.2);
  border-top-color: var(--accent); border-radius: 50%; margin: 0 auto 1rem;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Result ── */
.result-card.hidden { display: none; }
.result-header { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.big-emoji { font-size: 3.5rem; filter: drop-shadow(0 0 12px currentColor); }
.result-header h2 { font-size: 1.8rem; font-weight: 700; text-transform: capitalize; }
.secondary-label { color: var(--muted); font-size: .9rem; margin-top: .2rem; }
.badge {
  margin-left: auto; background: linear-gradient(135deg,#7c3aed,#3b82f6);
  color: #fff; padding: .4rem 1rem; border-radius: 50px; font-weight: 700; font-size: .9rem;
}
.progress-wrap { height: 8px; background: var(--surface2); border-radius: 50px; margin: 1rem 0; overflow: hidden; }
.progress-bar { height: 100%; background: linear-gradient(90deg,#7c3aed,#3b82f6); border-radius: 50px; width: 0; transition: width 1s ease; }
.message-box {
  background: var(--surface2); border-left: 4px solid var(--accent); border-radius: 8px;
  padding: 1rem 1.2rem; font-size: 1rem; line-height: 1.6; margin-bottom: .75rem; min-height: 2.5rem;
}
.reasoning { font-size: .85rem; color: var(--muted); font-style: italic; }
.download-btn {
  margin-top: 1rem; background: transparent; border: 1px solid var(--accent2); color: var(--accent2);
  padding: .5rem 1.2rem; border-radius: 50px; cursor: pointer; transition: var(--trans);
}
.download-btn:hover { background: var(--accent2); color: #fff; }

/* ── Dashboard ── */
.dash-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(180px,1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.stat-card { text-align: center; }
.stat-label { color: var(--muted); font-size: .8rem; margin-bottom: .4rem; text-transform: uppercase; letter-spacing: 1px; }
.stat-card h2 { font-size: 2rem; background: linear-gradient(135deg,#a78bfa,#60a5fa); -webkit-background-clip: text;
background-clip: text;
-webkit-text-fill-color: transparent; }
.chart-card h3, .card > h3 { margin-bottom: 1rem; font-size: 1.1rem; color: var(--muted); }
.history-item {
  display: flex; align-items: flex-start; gap: .75rem; padding: .75rem;
  border-radius: 10px; background: var(--surface2); margin-bottom: .6rem;
}
.hist-emoji { font-size: 1.8rem; }
.hist-body p:first-child { font-weight: 600; text-transform: capitalize; }
.hist-body small { color: var(--muted); font-size: .8rem; }
.clear-hist-btn {
  background: transparent; border: 1px solid #ef4444; color: #ef4444;
  padding: .5rem 1.2rem; border-radius: 50px; cursor: pointer; transition: var(--trans);
}
.clear-hist-btn:hover { background: #ef4444; color: #fff; }

/* ── Responsive ── */
@media (max-width: 600px) {
  .header { padding: .8rem 1rem; }
  .section { padding: 1.5rem 1rem; }
  .result-header { gap: .5rem; }
}



.chart-card {
  max-width: 420x;      
  margin: 0 auto 1.5rem; 
}

#emotionChart {
  max-height: 300px !important;
  max-width:  360px !important;
  margin: 0 auto;
  display: block;
}
/* ── Chart fix ── */
.chart-card { max-width:420px; margin:0 auto 1.5rem; }
#emotionChart { max-height:260px !important; max-width:260px !important; margin:0 auto; display:block; }

/* ── Home Hero ── */
.home-hero { text-align:center; padding:4rem 1rem 2.5rem; }
.home-badge { display:inline-block; background:rgba(124,58,237,.2); border:1px solid rgba(124,58,237,.4); color:#a78bfa; padding:.4rem 1.2rem; border-radius:50px; font-size:.85rem; margin-bottom:1.2rem; }
.home-hero h1 { font-size:clamp(2rem,5vw,3.2rem); font-weight:900; line-height:1.2; margin-bottom:1rem; }
.home-hero p { color:var(--muted); font-size:1.1rem; max-width:580px; margin:0 auto 2rem; line-height:1.7; }
.home-btns { display:flex; gap:1rem; justify-content:center; flex-wrap:wrap; }
.btn-primary { background:linear-gradient(135deg,#7c3aed,#3b82f6); border:none; color:#fff; padding:.75rem 2rem; border-radius:50px; cursor:pointer; font-size:1rem; font-weight:700; transition:var(--trans); }
.btn-primary:hover { transform:translateY(-3px); box-shadow:0 8px 25px var(--glow); }
.btn-outline { background:transparent; border:2px solid rgba(124,58,237,.5); color:#a78bfa; padding:.75rem 2rem; border-radius:50px; cursor:pointer; font-size:1rem; font-weight:600; transition:var(--trans); }
.btn-outline:hover { background:rgba(124,58,237,.15); border-color:#7c3aed; }

/* ── Section Title ── */
.home-section-title { font-size:1.3rem; font-weight:700; margin:2.5rem 0 1.2rem; color:var(--text); }

/* ── Emotion Cards ── */
.emotion-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(160px,1fr)); gap:1rem; margin-bottom:1rem; }
.emotion-card { background:var(--surface); border:1px solid rgba(255,255,255,.06); border-radius:16px; padding:1.4rem 1rem; text-align:center; transition:var(--trans); cursor:default; }
.emotion-card:hover { transform:translateY(-5px); border-color:var(--ec); box-shadow:0 8px 30px color-mix(in srgb, var(--ec) 30%, transparent); }
.ec-emoji { font-size:2.8rem; display:block; margin-bottom:.5rem; }
.ec-label { font-size:1rem; font-weight:700; color:var(--ec); display:block; margin-bottom:.3rem; }
.emotion-card p { font-size:.78rem; color:var(--muted); line-height:1.5; }

/* ── How it works ── */
.how-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:1rem; margin-bottom:1rem; }
.how-card { background:var(--surface); border:1px solid rgba(124,58,237,.15); border-radius:16px; padding:1.5rem; text-align:center; position:relative; transition:var(--trans); }
.how-card:hover { border-color:rgba(124,58,237,.4); box-shadow:0 6px 25px var(--glow); }
.how-num { position:absolute; top:-12px; left:50%; transform:translateX(-50%); background:linear-gradient(135deg,#7c3aed,#3b82f6); color:#fff; width:26px; height:26px; border-radius:50%; font-size:.8rem; font-weight:700; display:flex; align-items:center; justify-content:center; }
.how-icon { font-size:2.2rem; margin:0.5rem 0 .8rem; display:block; }
.how-card h3 { font-size:1rem; font-weight:700; margin-bottom:.5rem; }
.how-card p { font-size:.82rem; color:var(--muted); line-height:1.6; }

/* ── About ── */
.about-card { background:var(--surface); border:1px solid rgba(124,58,237,.2); border-radius:20px; padding:2rem; display:flex; gap:2rem; flex-wrap:wrap; margin-bottom:1rem; }
.about-left { flex:2; min-width:260px; }
.about-left h2 { font-size:1.5rem; font-weight:800; margin-bottom:1rem; }
.about-left p { color:var(--muted); font-size:.9rem; line-height:1.8; }
.about-tags { display:flex; flex-wrap:wrap; gap:.5rem; margin-top:1rem; }
.tag { background:rgba(124,58,237,.15); border:1px solid rgba(124,58,237,.3); color:#a78bfa; padding:.3rem .8rem; border-radius:50px; font-size:.78rem; font-weight:500; }
.about-right { flex:1; min-width:160px; display:flex; flex-direction:column; gap:1rem; justify-content:center; }
.stat-big { background:rgba(124,58,237,.1); border:1px solid rgba(124,58,237,.2); border-radius:14px; padding:1rem; text-align:center; font-size:2rem; font-weight:900; background:linear-gradient(135deg,#a78bfa,#60a5fa); -webkit-background-clip: text;
background-clip: text;
-webkit-text-fill-color: transparent; }
.stat-big span { display:block; font-size:.75rem; color:var(--muted); font-weight:400; -webkit-text-fill-color:var(--muted); margin-top:.2rem; }

/* ── CTA ── */
.cta-box { text-align:center; background:linear-gradient(135deg,rgba(124,58,237,.15),rgba(59,130,246,.15)); border:1px solid rgba(124,58,237,.3); border-radius:20px; padding:3rem 2rem; margin:2rem 0 3rem; }
.cta-box h2 { font-size:1.8rem; font-weight:800; margin-bottom:.5rem; }
.cta-box p { color:var(--muted); font-size:1rem; }

/* ── Responsive ── */
@media(max-width:600px) {
  .home-hero { padding:2.5rem 1rem 1.5rem; }
  .about-card { flex-direction:column; }
  .about-right { flex-direction:row; flex-wrap:wrap; }
  .stat-big { flex:1; min-width:100px; }
}